Ok, so correct me if I'm wrong, and I very well may be because I am no expert on tires, however. I was under the impression that the mfg. suggested tire pressure was there mainly because tires heat up and the mfg. wants to make sure that when they heat up on the highway that there is enough headroom on the tolerance of the tire to hold the pressure based on the vehicle weight...is that correct? If so, then is it not also safe to assume that if you did some experimentation on your own to find out just how much the tires heat up under 'your' driving style and made sure by closely monitoring them that it didn't exceed sidewall tolerances that it would still in effect be safe to "over-inflate" your tires so long as the temperature when hot didn't surpass the limit?
__________________
|